147573378 has 12 divisors (see below), whose sum is σ = 319742358. Its totient is φ = 49191120.

The previous prime is 147573319. The next prime is 147573383. The reversal of 147573378 is 873375741.

147573378 is a `hidden beast` number, since 1 + 4 + 7 + 573 + 3 + 78 = 666.

It can be written as a sum of positive squares in only one way, i.e., 146821689 + 751689 = 12117^2 + 867^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4099243 + ... + 4099278.

Almost surely, 2^147573378 is an apocalyptic number.

147573378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

147573378 is an abundant number, since it is smaller than the sum of its proper divisors (172168980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147573378 is a wasteful number, since it uses less digits than its factorization.

147573378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198529 (or 8198526 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 147573378 is about 12147.9783503264. The cubic root of 147573378 is about 528.4485040734.

The spelling of 147573378 in words is "one hundred forty-seven million, five hundred seventy-three thousand, three hundred seventy-eight".